231301243202273 has 2 divisors, whose sum is σ = 231301243202274. Its totient is φ = 231301243202272.

The previous prime is 231301243202243. The next prime is 231301243202317. The reversal of 231301243202273 is 372202342103132.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 174195835598929 + 57105407603344 = 13198327^2 + 7556812^2 .

It is a cyclic number.

It is not a de Polignac number, because 231301243202273 - 2⁸ = 231301243202017 is a prime.

It is not a weakly prime, because it can be changed into another prime (231301243202213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115650621601136 + 115650621601137.

It is an arithmetic number, because the mean of its divisors is an integer number (115650621601137).

Almost surely, 2^{231301243202273} is an apocalyptic number.

It is an amenable number.

231301243202273 is a deficient number, since it is larger than the sum of its proper divisors (1).

231301243202273 is an equidigital number, since it uses as much as digits as its factorization.

231301243202273 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72576, while the sum is 35.

The spelling of 231301243202273 in words is "two hundred thirty-one trillion, three hundred one billion, two hundred forty-three million, two hundred two thousand, two hundred seventy-three".